1388500083 has 8 divisors (see below), whose sum is σ = 2057037200. Its totient is φ = 925666704.

The previous prime is 1388500079. The next prime is 1388500153. The reversal of 1388500083 is 3800058831.

It is a happy number.

It is not a de Polignac number, because 1388500083 - 2² = 1388500079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1388500033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25712938 + ... + 25712991.

It is an arithmetic number, because the mean of its divisors is an integer number (257129650).

Almost surely, 2^1388500083 is an apocalyptic number.

1388500083 is a deficient number, since it is larger than the sum of its proper divisors (668537117).

1388500083 is an equidigital number, since it uses as much as digits as its factorization.

1388500083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51425938 (or 51425932 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1388500083 is about 37262.5828814912. The cubic root of 1388500083 is about 1115.6174619645.

The spelling of 1388500083 in words is "one billion, three hundred eighty-eight million, five hundred thousand, eighty-three".